User Tools

Site Tools


Joomla says you aren't logged in
hardware:jumper_t12

This is an old revision of the document!


WIP: This is currently just a copy of the X9D page

Jumper T12 Hardware Connections

The following documents the hardware inside the Jumper T12 transmitter

  • MCU: STM32F205VET6 512kB Flash, 128kB RAM 100pin package
  • LCD Display: 128×64 B&W display
  • Radio: Jumper 4-in-1 module plugged into the back of the transmitter
  • Digital volume control: CAT5137 on i2c BUS
  • 256kbit EEPROM: ST M24256

STM32 Connections

GPIOA

Pin Description
0 Stick RV
1 Stick RH
2 Stick LH
3 Stick LV
4 Audio DAC (???)
5 Switch C-
6 POT L (Aux2)
7 PPM for external module
*8 Trainer plug detect
9 USB Vin
10 PPM for FrSky Module
11 USB Data-
12 USB Data+
13 SWDIO (Pads on P12.2)
14 SWCLK (Pads on P12.3)
*15 (SPI3 CS) LCD C/S

GPIOB

Pin Description
0 POT R (Aux3)
1 Switch D-
2 ???
3 Switch E-
4 Switch E+
5 Switch A+
6 (I2C SCL) EEPROM SCL(???)
7 (I2C SDA) EEPROM SDA(???)
8 Backlight PWM
9 (I2C WP) EEPROM WP(???)
10 UART3 Tx
11 UART3 Rx
12 (SPI2 CS) SD Card ChipSelect
13 (SPI2 SCK) SD Card SCK
14 (SPI2 MISO) SD Card MISO
15 (SPI2 MOSI) SD Card MOSI

GPIOC

Pin Description
0 Voltage detect
1 Button 'Trim LHR'
*2 Buttom 'Trim RVU'
*3 Buttom 'Trim RVD'
4 Slider L (Aux4)
5 Slider R (Aux5)
6 Power LED
7 Heartbeat (???)
*8 Trainer PPM In
*9 Trainer PPM Out
*10 (SPI3 SCK) I2S_Audio SCK(???)
*11 LCD A0
*12 (SPI3 SD) I2S_Audio SD(???)
13 Buttom 'Trim RH +'
14 XTAL
15 XTAL

GPIOD

Pin Description
0 Power shutdown
1 Power switch postition
*2 Button 'Exit'
*3 Button 'Page'
4 Sport Enable(???)
5 Sport Tx(???)
6 Sport Rx(???)
*7 Button 'Menu'
8 ???
9 SD Card Detect
10 LCD MOSI
11 LCD CLK
*12 LCD RST
13 LCD A0
14 LCD NCS
*15 Trim LHL

GPIOE

Pin Description
0 Switch A-
1 Switch B+
2 Switch B-
*3 Button 'Trim RHL'
*4 Button 'Trim RHR'
*5 Button 'Trim LVU'
*6 Button 'Trim LVD'
7 Switch D+
8 Switch G-
*9 Button 'Plus'
*10 Button 'Enter'
*11 Button 'Minus'
12 Button 'Minus'
13 Switch H
14 Switch F
15 Switch C+

Pad P12

Pin Description
1 3.3V
2 PA13
3 PA14
4 GND

Externaml PPM Module (Pin 1 at bottom)

Pin Description
1 SPORT
2 GND
3 ???
4 Heartbeat
5 ???

FCC Report

FCCID: XYF X91216DK

hardware/jumper_t12.1548480675.txt.gz (24493 views) · Last modified: 2019/01/25 21:31 by PhracturedBlue